Spearfish, SD ranks #12,764 worldwide for total patents filed all time, with 137 patents from 41 inventors. Leading employers of inventors based in Spearfish, SD include Amgen, Sram, International Minerals & Chemical. That works out to 11.2 patents per 1,000 residents, a common benchmark for comparing regional innovation intensity.
Showing 1–41 of 41 inventors
Part of South Dakota